[FIX] Потенциальные NPE

LaunchServer/src/main/java/pro/gravit/launchserver/socket/response/auth/AuthResponse.java

@@ -57,6 +57,13 @@ public void execute(ChannelHandlerContext ctx, Client clientData) throws Excepti
                     throw new AuthException("Password decryption error");
                 }
             }
+            if(clientData.isAuth) {
+                if(LogHelper.isDevEnabled()) {
+                    LogHelper.warning("Client %s double auth", clientData.username == null ? ip : clientData.username);
+                }
+                sendError("You are already logged in");
+                return;
+            }
             AuthProviderPair pair;
             if (auth_id == null || auth_id.isEmpty()) pair = server.config.getAuthProviderPair();
             else pair = server.config.getAuthProviderPair(auth_id);

LaunchServer/src/main/java/pro/gravit/launchserver/socket/response/auth/JoinServerResponse.java

@@ -25,6 +25,10 @@ public void execute(ChannelHandlerContext ctx, Client client) {
             sendError("Permissions denied");
             return;
         }
+        if(username == null || accessToken == null || serverID == null) {
+            sendError("Invalid request");
+            return;
+        }
         boolean success;
         try {
             server.authHookManager.joinServerHook.hook(this, client);

LaunchServer/src/main/java/pro/gravit/launchserver/socket/response/profile/BatchProfileByUsername.java

@@ -3,6 +3,7 @@
 import io.netty.channel.ChannelHandlerContext;
 import pro.gravit.launcher.events.request.BatchProfileByUsernameRequestEvent;
 import pro.gravit.launcher.profiles.PlayerProfile;
+import pro.gravit.launchserver.auth.AuthProviderPair;
 import pro.gravit.launchserver.socket.Client;
 import pro.gravit.launchserver.socket.response.SimpleResponse;
 import pro.gravit.utils.helper.LogHelper;
@@ -20,14 +21,19 @@ public String getType() {
     @Override
     public void execute(ChannelHandlerContext ctx, Client client) throws Exception {
         BatchProfileByUsernameRequestEvent result = new BatchProfileByUsernameRequestEvent();
+        if(list == null) {
+            sendError("Invalid request");
+            return;
+        }
         result.playerProfiles = new PlayerProfile[list.length];
         for (int i = 0; i < list.length; ++i) {
             UUID uuid;
-            if (client.auth == null) {
+            AuthProviderPair pair = client.auth;
-                LogHelper.warning("Client auth is null. Using default.");
+            if (pair == null) {
-                uuid = server.config.getAuthProviderPair().handler.usernameToUUID(list[i].username);
+                pair = server.config.getAuthProviderPair();
-            } else uuid = client.auth.handler.usernameToUUID(list[i].username);
+            }
-            result.playerProfiles[i] = ProfileByUUIDResponse.getProfile(uuid, list[i].username, list[i].client, client.auth.textureProvider);
+            uuid = pair.handler.usernameToUUID(list[i].username);
+            result.playerProfiles[i] = ProfileByUUIDResponse.getProfile(uuid, list[i].username, list[i].client, pair.textureProvider);
         }
         sendResult(result);
     }

LaunchServer/src/main/java/pro/gravit/launchserver/socket/response/update/UpdateResponse.java

@@ -23,6 +23,10 @@ public void execute(ChannelHandlerContext ctx, Client client) {
             sendError("Access denied");
             return;
         }
+        if(dirName == null) {
+            sendError("Invalid request");
+            return;
+        }
         HashedDir dir = server.updatesDirMap.get(dirName);
         if (dir == null) {
             sendError(String.format("Directory %s not found", dirName));